Merge release/26.3 into trunk (#24833)

* Bump version number

* Update draft release notes for 26.3

* Update draft release notes for 26.3

* Release Notes: add new section for next version (26.4)

* Remove Jetpack-only updates from WordPress release notes

* Update strings for localization

* Update app translations – `Localizable.strings`

* Update WordPress metadata translations

* Update Jetpack metadata translations

* Bump version number

* Update app translations – `Localizable.strings`

* Bump version number

* Update app translations – `Localizable.strings`

* Bump version number

* Update app translations – `Localizable.strings`

* Bump version number

* Revert "Update app icons"

This reverts commit f1e34a9.

* Bump version number

---------

Co-authored-by: Tony Li <[email protected]>

Author: wpmobilebot

Sources/Jetpack/Resources/AppIcon.icon/Assets/bg.png

@@ -1298,8 +1298,7 @@ translators: %s: Block name e.g. \"Image block\" */
    Period Stats 'Clicks' header */
 "Clicks" = "نقرات";
 
-/* Action button to close edior and cancel changes or insertion of post
-   Action button to close the editor
+/* Action button to close the editor
    Dismisses the current screen */
 "Close" = "إغلاق";
 
@@ -6334,7 +6333,7 @@ translators: %s: Select control option value e.g: \"Auto, 25%\". */
 /* Title for Unknown HTML Editor */
 "Unknown HTML" = "HTML غير معروف";
 
-/* No comment provided by engineer. */
+/* Unknown error */
 "Unknown error" = "خطأ غير معروف";
 
 /* People: Invitation Error */
@@ -9195,9 +9194,6 @@ Example: Reply to Pamela Nguyen */
 /* Text displayed in HUD after successfully deleting a media item */
 "mediaLibrary.deletionSuccessMessage" = "محذوف!";
 
-/* The name of the media filter */
-"mediaLibrary.filterAll" = "الكل";
-
 /* The name of the media filter */
 "mediaLibrary.filterAudio" = "الصوت";